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ARTICLE · 07 AUGUST 2025

A MOSAIC Of Changes: Recent FAA Actions Promote Advanced Air Mobility

U.S. Department of Transportation Secretary Sean Duffy and Federal Aviation Administration (FAA) Deputy Administrator Chris Rocheleau recently announced the issuance of a final rule to...

United StatesTransport

Highlights

  • U.S. Department of Transportation Secretary Sean Duffy and Federal Aviation Administration (FAA) Deputy Administrator Chris Rocheleau recently announced the issuance of a final rule to the Modernization of Special Airworthiness Certification (MOSAIC) for light-sport aircraft.
  • The rule has significant effects on aircraft certification processes and standards that apply to special airworthiness certificates, as it expands the eligibility criteria for aircraft qualifying for such certification by using a performance-based standard.
  • The many changes in MOSAIC, combined with the revised Advisory Circular (AC) that applies to powered-lift aircraft, are expected to usher in a new era for certification of aircraft.

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